refactor(*): 稳定期治理 - 收敛核心架构、错误语义并修复跨项目数据竞态

web/src/components/canvas/director/canvas-director-onboarding.tsx

@@ -13,7 +13,7 @@ import {
 } from "@/lib/canvas/director/director-onboarding";
 
 /**
- * 导演台首次上手引导浮层（P2）。
+ * 导演台首次上手引导浮层。
  *
  * 硬约束：
  * - 非阻塞。不是 dialog，没有遮罩，不抢焦点，不做焦点陷阱：引导旁边就是要动手的工作台，

web/src/components/canvas/director/canvas-director-workbench.tsx

@@ -24,7 +24,7 @@ import { createDirectorActor, createDirectorBillboard, createDirectorCamera, cre
 import { describeDirectorSaveStatus, resolveDirectorCloseOutcome, shouldBlockDirectorUnload, shouldOfferDirectorDraftRecovery } from "@/lib/canvas/director/director-save-wiring";
 import { useDirectorSaveCoordinator } from "@/components/canvas/director/use-director-save-coordinator";
 import { uploadMediaFile } from "@/services/file-storage";
-import { saveRemoteUserDataNow } from "@/services/user-data-sync";
+import { localSavedRemotePendingMessage, saveRemoteUserDataNow } from "@/services/user-data-sync";
 import { useAssetStore, type ModelAsset } from "@/stores/use-asset-store";
 import { useDirectorWorkbenchStore } from "@/stores/canvas/use-director-workbench-store";
 import { useThemeStore } from "@/stores/use-theme-store";
@@ -420,10 +420,14 @@ export function CanvasDirectorWorkbench({ open, scene, imageNodes, onboardingSco
         if (!file || !/\.(glb|gltf)$/i.test(file.name)) return;
         const uploaded = await uploadMediaFile(file, "model");
         const assetId = addAsset({ kind: "model", title: file.name.replace(/\.(glb|gltf)$/i, ""), coverUrl: "", tags: ["3D模型"], source: "导演台", data: { url: uploaded.url, storageKey: uploaded.storageKey, bytes: uploaded.bytes, mimeType: uploaded.mimeType, fileName: file.name }, metadata: { source: "director" } });
-        await saveRemoteUserDataNow();
         const asset = useAssetStore.getState().assets.find((item): item is ModelAsset => item.id === assetId && item.kind === "model");
         if (asset) addModelAsset(asset);
-        message.success("3D 模型已加入场景和素材库");
+        try {
+            await saveRemoteUserDataNow();
+            message.success("3D 模型已加入场景和素材库");
+        } catch (error) {
+            message.warning(localSavedRemotePendingMessage("3D 模型已加入场景和本机素材库", error));
+        }
     };
 
     const addBillboard = (node: CanvasNodeData) => {